A cost study for mobile phone health surveys using interactive voice response for assessing risk factors of noncommunicable diseases

Table 6 Distribution of incentive costs based on type of incentive used and survey pricing mechanism, reported in USD

Country	Incentive per completed survey		Lottery incentive per completed survey
Country	Survey pricing per min	Survey pricing via flat fee^#	Survey pricing per min	Survey pricing via flat fee^#
Bangladesh	12,280	6140	12,280	6140
Colombia⁺	9164	NA	NA	NA
Uganda^£	6629	6629	6629	6629

⁺Variable costs in Colombia do not change based on survey pricing mechanism as only price per minute were conducted
^£The lottery incentive amount used in Uganda was 20x the individual incentive per completed survey, resulting in the same cost per completed survey across fixed and lottery incentive arms of the trial
^#Survey pricing via flat fee has the same survey-time costs for either type of incentive as the cost incurred for survey time by the payer would only be based on completed surveys

ISSN: 1478-7954